1. A capacitor is
a. the ability to store energy as separated charges
b. a device that is used to store electrical energy
c. the ratio of charge to potential difference.
d. a device that is used to store gravitational potential energy
2. What is capacitance?
a. the amount of charge stored on a conductor
b. the ability to store energy as separated charges
c. the ability to store charge on the plates of a capacitor
d. stored electrical energy
3. The SI unit for capacitance is
a. Farad (F)
b. Newton (N)
c. Joule (J)
d. Volt (V)
4. 1F is equal to
a. 1V/1C
b. 1J/1C
c. 1C/1V
d. 1C/1J
5. 3mF is equal to
a. 3 x 10-6 pF
b. 3 x 103 nF
c. 3 x 10-3 F
d. 3 x 10-9 MF
6. When a capacitor is connected to a source of potential difference, charges accumulate on the plates of the capacitor. The accumulation of charge stops when
a. the charge on one plate is equal to the charge on the other plate.
b. the charge on the capacitor becomes zero.
c. the potential difference between the plates is the same as the source.
d. there is a difference in the amount of charge on the two plates.
7. The energy stored in a capacitor is equal to the
a. charge on the plates of the capacitor.
b. capacitance of the capacitor.
c. work required to place the charge on the plates of the capacitor.
d. difference in potential energy between the plates of the capacitor.